短語詞組短語short -haul distance 近距離economical haul distance 經(jīng)濟(jì)的運(yùn)距;經(jīng)濟(jì)運(yùn)距optimum haul distance 最佳運(yùn)距freight average haul distance 貨物平均運(yùn)距average haul distance [建]平均運(yùn)距economic haul distance 經(jīng)濟(jì)運(yùn)距passenger average haul distance 旅客平均運(yùn)距free -haul distance 免費(fèi)運(yùn)距long haul distance 傳輸距離長 返回 haul distance